Pith Number

pith:O32MAC23

pith:2016:O32MAC2346KR5C2LLMPEOSBDBU

not attested not anchored not stored refs pending

Secondary Analysis of Teaching Methods in Introductory Physics: a 50k-Student Study

Benjamin Archibeque, Chase Shepherd, Edward W. Schenk, Eleanor C. Sayre, Joshua Von Korff, K. Alison Gomez, Lane Sorell, Sarah B. McKagan, Tyrel Heckendorf

arxiv:1603.00516 v3 · 2016-03-01 · physics.ed-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O32MAC2346KR5C2LLMPEOSBDBU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:45:00.445876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76f4c00b5be7951e8b4b5b1e4748230d33ca7733121a068c472b264e2e088fc0

Aliases

arxiv: 1603.00516 · arxiv_version: 1603.00516v3 · doi: 10.48550/arxiv.1603.00516 · pith_short_12: O32MAC2346KR · pith_short_16: O32MAC2346KR5C2L · pith_short_8: O32MAC23

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O32MAC2346KR5C2LLMPEOSBDBU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 76f4c00b5be7951e8b4b5b1e4748230d33ca7733121a068c472b264e2e088fc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "464105fa612c43e0ab8b76c5c34abf12f280c41c3c1755d278d3a52f255cf961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-03-01T22:50:19Z",
    "title_canon_sha256": "23087b66035b432ff9149010fcc0314144bd06fe42447e628b853d68e7ac6bc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00516",
    "kind": "arxiv",
    "version": 3
  }
}